blob: 5f9c26658f31ff942aa39ce26cc12407dc026cbf (
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diff --git a/Modules/FindPythonLibs.cmake b/Modules/FindPythonLibs.cmake
index bffa9fb..8fc90ee 100644
--- a/Modules/FindPythonLibs.cmake
+++ b/Modules/FindPythonLibs.cmake
@@ -74,6 +74,19 @@ set(_Python_VERSIONS
${_PYTHON_FIND_OTHER_VERSIONS}
)
+# Gentoo portage requires that you use exactly the given python version
+if (CMAKE_GENTOO_BUILD OR CMAKE_BUILD_TYPE STREQUAL Gentoo)
+ execute_process(COMMAND python -c "import sys; sys.stdout.write('.'.join([str(x) for x in sys.version_info[:2]]))"
+ OUTPUT_VARIABLE _Gentoo_Python_VERSION)
+ list(FIND _Python_VERSIONS "${_Gentoo_Python_VERSION}" _Gentoo_Python_INDEX)
+ if (_Gentoo_Python_INDEX EQUAL -1)
+ # the current Gentoo python version is not compatible with what is requested
+ set(_Python_VERSIONS)
+ else ()
+ set(_Python_VERSIONS "${_Gentoo_Python_VERSION}")
+ endif ()
+endif()
+
unset(_PYTHON_FIND_OTHER_VERSIONS)
unset(_PYTHON1_VERSIONS)
unset(_PYTHON2_VERSIONS)
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